This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 70 |
| 4 | 246 |
| 5 | 671 |
| 6 | 1547 |
| 7 | 3164 |
| 8 | 5916 |
| 9 | 10317 |
| 10 | 17017 |
| 11 | 26818 |
| 12 | 40690 |
| 13 | 59787 |
| 14 | 85463 |
| 15 | 119288 |
| 16 | 163064 |
| 17 | 218841 |
| 18 | 288933 |
| 19 | 375934 |
| 20 | 482734 |
| 21 | 612535 |
| 22 | 768867 |
| 23 | 955604 |
| 24 | 1176980 |
| 25 | 1437605 |
| 26 | 1742481 |
| 27 | 2097018 |
| 28 | 2507050 |
| 29 | 2978851 |
| 30 | 3519151 |
| 31 | 4135152 |
| 32 | 4834544 |